GeoStar Geothermal Heat Pump Manuals — page 2
Select your GeoStar model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
GeoStar geothermal heat pumps by model number
| Model | Description | Certified |
|---|---|---|
| 161/162K064**1*(1,4)Aston | closed-loop water-to-air geothermal heat pump | January 2023 |
| 165G018**15 SERIES | open-loop water-to-water geothermal heat pump | January 2023 |
| 165G025**15 SERIES | open-loop water-to-water geothermal heat pump | January 2023 |
| 165G050**15 SERIES | open-loop water-to-water geothermal heat pump | January 2023 |
| 165G060**15 SERIES | closed-loop water-to-water geothermal heat pump | January 2023 |
| 165H040**15 SERIES | open-loop water-to-water geothermal heat pump | January 2023 |
| 166D040**15 Series | closed-loop water-to-water geothermal heat pump | April 2022 |
| 166D050**15 Series | closed-loop water-to-water geothermal heat pump | April 2022 |
| 166D066A*15 Series | open-loop water-to-water geothermal heat pump | April 2022 |
| 166D066**15 Series | closed-loop water-to-water geothermal heat pump | April 2022 |
| G3A(V/H)024BD1**13 Series | open-loop water-to-air geothermal heat pump | July 2024 |
| G3A(V/H)036BD1**13 Series | open-loop water-to-air geothermal heat pump | July 2024 |
| G3A(V/H)048BD1**13 Series | open-loop water-to-air geothermal heat pump | July 2024 |
| G3A(V/H)060BD1**13 Series | open-loop water-to-air geothermal heat pump | July 2024 |
| G3A(V/H)072BD1**13 Series | open-loop water-to-air geothermal heat pump | July 2024 |
| G5A(V/H)018BD1**2Aston | open-loop water-to-air geothermal heat pump | June 2024 |
| G5A(V/H)024BD1**2Aston | open-loop water-to-air geothermal heat pump | June 2024 |
| G5A(V/H)030BD1**2Aston | open-loop water-to-air geothermal heat pump | June 2024 |
| G5A(V/H)036BD1**2Aston | open-loop water-to-air geothermal heat pump | June 2024 |
| G5A(V/H)042BD1**2Aston | open-loop water-to-air geothermal heat pump | June 2024 |
| G5A(V/H)048BD1**2Aston | open-loop water-to-air geothermal heat pump | June 2024 |
| G5A(V/H)060BD1**2Aston | open-loop water-to-air geothermal heat pump | June 2024 |
| G5A(V/H)072BD1**2Aston | open-loop water-to-air geothermal heat pump | June 2024 |
| G5SS024BD1ASTON | open-loop water-to-air geothermal heat pump | December 2025 |
| G5SS036BD1ASTON | open-loop water-to-air geothermal heat pump | December 2025 |
| G5SS048BD1ASTON | open-loop water-to-air geothermal heat pump | December 2025 |
| G5SS060BD1ASTON | open-loop water-to-air geothermal heat pump | December 2025 |
| G5SS066BD1ASTON | open-loop water-to-air geothermal heat pump | December 2025 |
| G5SZ024BD1ASTON | open-loop water-to-air geothermal heat pump | December 2025 |
| G5SZ036BD1ASTON | open-loop water-to-air geothermal heat pump | December 2025 |
| G5SZ048BD1ASTON | open-loop water-to-air geothermal heat pump | December 2025 |
| G5SZ060BD1ASTON | open-loop water-to-air geothermal heat pump | December 2025 |
| G5SZ066BD1ASTON | open-loop water-to-air geothermal heat pump | December 2025 |
| G5TV036BD1**2SYCAMORE | open-loop water-to-air geothermal heat pump | February 2025 |
| G5TV048BD1**2SYCAMORE | open-loop water-to-air geothermal heat pump | February 2025 |
| G5TV060BD1**2SYCAMORE | open-loop water-to-air geothermal heat pump | February 2025 |
| G5TV072BD1**2SYCAMORE | open-loop water-to-air geothermal heat pump | February 2025 |
| G5WZ024BS1ASTON | open-loop water-to-water geothermal heat pump | March 2025 |
| G5WZ048BE15 Series | open-loop water-to-water geothermal heat pump | July 2025 |
| G5WZ048BS1ASTON | open-loop water-to-water geothermal heat pump | July 2025 |
| G5WZ060BE15 Series | open-loop water-to-water geothermal heat pump | July 2025 |
| G5WZ060BS1ASTON | open-loop water-to-water geothermal heat pump | July 2025 |
| G5WZ120BD1ASTON | open-loop water-to-water geothermal heat pump | July 2025 |
| G7A(V/H)024BV1**2SYCAMORE | open-loop water-to-air geothermal heat pump | July 2024 |
| G7A(V/H)036BV1**2SYCAMORE | open-loop water-to-air geothermal heat pump | July 2024 |
| G7A(V/H)048BV1**2SYCAMORE | open-loop water-to-air geothermal heat pump | July 2024 |
| G7A(V/H)060BV1**2SYCAMORE | open-loop water-to-air geothermal heat pump | July 2024 |